In this project contain 5 parties but each are integrated and final it will bring new looking new functioning and answering to drawbacks in current email systems.
Today I will point out Client side storage feature that I am doing for this project mainly. There are several reasons to use client-side storage.
- We can make our app work when the user is offline, possibly sync'ing
- It make app to performance booster (instead of waiting for it to download again)
- It is easier programming model, with no server infrastructure required
The technologies for local storages are:
- Web Storage: it provides a key-value mapping (present implementations only support string-to-string mappings)
- Web SQL Database: it gives us all the power of SQL relational database.
- Indexed Database: This is somewhere in between Web Storage and Web SQL Database. Like Web Storage, it's a straightforward key-value mapping, but it supports indexes like those of relational databases
- File Access: It is an API for reading file content in JavaScript (There are also proposals underway for file writing capabilities)
Lets check the Browser support
here is code for test that I am going to use
function browserSupport(){
console.log("Indexed Database: " + window.mozIndexedDB);
console.log("Web SQL Database: " + window.openDatabase);
console.log("Web Storage: " + typeof(localStorage));
console.log("File Access: " + window.FileReader);
}
1. Lets check this in chrome
No indexed Database support (but it was supporting some months ago)
2. Now I will try in Firefox
It is support indexed Database but not SQL data bases yet.
3. Now try with Safari
No Indexed Databases and file Access
4. Now I will test in IE
only it is web storage
5. Final try it out with Opera
it is not supporting for indexed and file API
Here is full results
| Chrome | Firefox | Safari | Opera | IE | |
| Web Storage | yes | yes | yes | yes | yes |
| Indexed DB | yes | ||||
| Web SQL DB | yes | yes | |||
| File Access | yes | yes |
So all of browser support Web Storage with (key/Value)
